Home / 1,435,528,470.11-1,980,980,312.00-791,809,913.57

Finding the Fourth Proportional to 1,435,528,470.11, 1,980,980,312.00 and 791,809,913.57

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Solution

The fourth proportional to 1,435,528,470.11, 1,980,980,312.00 and 791,809,913.57 is: 1,092,670,666.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,528,470.11 : 1,980,980,312.00 = 791,809,913.57 : x
  2. Step 2: Convert to fraction form
    1,435,528,470.11/1,980,980,312.00 = 791,809,913.57/x
  3. Step 3: Cross multiply
    1,435,528,470.11x = 1,980,980,312.00 × 791,809,913.57
  4. Step 4: Simplify right side
    1,435,528,470.11x = 1,568,559,849,614,727,680
  5. Step 5: Solve for x
    x = 1,568,559,849,614,727,680/1,435,528,470.11
  6. Step 6: Final answer
    x = 1,092,670,666.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.